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 #include &quot;globjwin.h&quot;
 #include &quot;glbox.h&quot;
 #include &lt;QPushButton&gt;
 #include &lt;QSlider&gt;
 #include &lt;QLayout&gt;
 #include &lt;QFrame&gt;
 #include &lt;QMenuBar&gt;
 #include &lt;QMenu&gt;
 #include &lt;QApplication&gt;

 GLObjectWindow::GLObjectWindow(QWidget* parent)
     : QWidget(parent)
 {

     <span class="comment">//</span> Create a menu
     QMenu *file = new QMenu( this );
     file-&gt;addAction( &quot;Exit&quot;,  qApp, SLOT(quit())<span class="comment">/*, CTRL+Key_Q*/</span>);

     <span class="comment">//</span> Create a menu bar
     QMenuBar *m = new QMenuBar( this );
     m-&gt;addMenu(file)-&gt;setText(&quot;&amp;File&quot;);

     <span class="comment">//</span> Create a nice frame to put around the OpenGL widget
     QFrame* f = new QFrame(this);
     f-&gt;setFrameStyle( QFrame::Sunken | QFrame::Panel );
     f-&gt;setLineWidth( 2 );

     <span class="comment">//</span> Create our OpenGL widget
     GLBox* c = new GLBox( f, &quot;glbox&quot;);

     <span class="comment">//</span> Create the three sliders; one for each rotation axis
     QSlider* x = new QSlider(Qt::Vertical, this);
     x-&gt;setMaximum(360);
     x-&gt;setPageStep(60);
     x-&gt;setTickPosition( QSlider::TicksLeft );
     QObject::connect( x, SIGNAL(valueChanged(int)),c,SLOT(setXRotation(int)) );

     QSlider* y = new QSlider(Qt::Vertical, this);
     y-&gt;setMaximum(360);
     y-&gt;setPageStep(60);
     y-&gt;setTickPosition( QSlider::TicksLeft );
     QObject::connect( y, SIGNAL(valueChanged(int)),c,SLOT(setYRotation(int)) );

     QSlider* z = new QSlider(Qt::Vertical, this);
     z-&gt;setMaximum(360);
     z-&gt;setPageStep(60);
     z-&gt;setTickPosition( QSlider::TicksLeft );
     QObject::connect( z, SIGNAL(valueChanged(int)),c,SLOT(setZRotation(int)) );

     <span class="comment">//</span> Now that we have all the widgets, put them into a nice layout

     <span class="comment">//</span> Top level layout, puts the sliders to the left of the frame/GL widget
     QHBoxLayout* hlayout = new QHBoxLayout(this);

     <span class="comment">//</span> Put the sliders on top of each other
     QVBoxLayout* vlayout = new QVBoxLayout();
     vlayout-&gt;addWidget( x );
     vlayout-&gt;addWidget( y );
     vlayout-&gt;addWidget( z );

     <span class="comment">//</span> Put the GL widget inside the frame
     QHBoxLayout* flayout = new QHBoxLayout(f);
     flayout-&gt;setMargin(0);
     flayout-&gt;addWidget( c, 1 );

     hlayout-&gt;setMenuBar( m );
     hlayout-&gt;addLayout( vlayout );
     hlayout-&gt;addWidget( f, 1 );
 }</pre>
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